Base-Mediated Cyclization Reaction of 2-Alkynylphenylphosphine Oxides: Synthesis and Photophysical Properties of Benzo[<i>b</i>]phosphole Oxides
                                
                                    
                                        作者:Takanobu Sanji、Kentaro Shiraishi、Taigo Kashiwabara、Masato Tanaka                                    
                                    
                                        DOI:10.1021/ol800841v
                                    
                                    
                                        日期:2008.7.3
                                    
                                    The base-mediated intramolecular cyclization reaction of 2-alkynylphenylphosphine oxides affords benzo[b]phosphole oxides, which show intense blue-green fluorescence. Benzo[b]phospholes are also prepared by the reduction of benzo[b]phosphole oxides.